yoursunny

Wireshark dissector for NDN packet format

Wireshark is an open-source packet analyzer. It is widely used for network troubleshooting, software and communication protocol development, etc.

Wireshark understands the structure of different networking protocols. It can parse and display the fields, along with their meanings as specified by different networking protocols.
The parser of each protocol is called a dissector.
Wireshark is equipped with thousands of dissectors on different levels, including Ethernet, IPv4, UDP, SNMP, HTTP, and many more.
One can either write a dissector in C programming language and compile it into Wireshark binary, or write a dissector in Lua scripting language and load it when Wireshark starts.

yoursunny

NDNLPv2

NDNLPv2 is a link protocol for Named Data Networking.

Goals

NDNLPv2 provides the following features:

• fragmentation and reassembly: fragment a network layer packet to fit in link MTU
• failure detection: rapidly detect link failure and recovery

yoursunny

namespace ndn {
namespace mgmt {

// ---- AUTHORIZATION ----

/** \brief a function to be called if authorization is successful
 *  \param requester a string that indicates the requester, whose semantics is determined by
 *                   the Authorization function; this value is intended for logging only,
 *                   and should not affect how the request is processed
 */

yoursunny

// # NDNLPv2 packet format API

// ## TLV-TYPE assignments

namespace ndn {
namespace lp {
namespace tlv {

enum {
  LpPacket = 100,

yoursunny

// # NDNLPv2 API: NACK in client Face


// ## extending ndn::Face class

namespace ndn {

typedef function<void(const Interest&, const Data&)> DataCallback;
typedef function<void(const Interest&, const lp::Nack&)> NackCallback;
typedef function<void(const Interest&)> TimeoutCallback;

yoursunny

// Face design
// This design incorporates:
// Link Services http://redmine.named-data.net/issues/2222
// Permanent Face http://redmine.named-data.net/issues/2491

// -------- Face, Transport, LinkService --------

namespace nfd {
namespace face {

yoursunny

#!/bin/bash

TPMDIR=/tmp/ndntestbed-certexpiry_$(date +%s)
NOW=$(date -u +%s)

mkdir -p $TPMDIR
export HOME=$TPMDIR
pushd $TPMDIR >/dev/null

curl -s http://ndncert.named-data.net/cert/list/ > certs.txt

yoursunny

<?php
$f = fopen('php://stdin', 'r');

echo <<<EOT
<style>
ul { margin-left:0; padding-left:1em; border-left:solid 2px #999; }
li { list-style:none; padding-bottom:1ex; }
b { cursor:pointer; }
b:before { content:'- '; }
li.leaf > b:before { content:''; }

yoursunny

// ESP8266 register voucher code on Clearwave Solution WiFi <http://www.getclearwave.com/> Tucson AZ

#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <Streaming.h>

const char* WIFI_SSID = "community-ssid";
const char* WIFI_PASS = "community-password";
const char* VOUCHER = "xxxxxxxx";

yoursunny

{
  "globals": [
    {
      "key": "oauth_consumer_key",
      "type": "string"
    },
    {
      "key": "oauth_consumer_secret",
      "type": "string"
    },